the combination between trap music and dubstep originally created by DJ Daytona Velasquez and perfected by "Pretty Ugly" (Timeline & Daytona).
Trapstep is -heavy 808 kit trap patterns with dubstep/electronic music influence.

head 1: Yo, this shit crazy!!! what is this?
head 2: haha, It's that trap/dubstep steez my dude..Nothing less of the future..Trapstep..you wit it?